44 lines
1.0 KiB
Plaintext
44 lines
1.0 KiB
Plaintext
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1. Download and install toolchain
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$ curl https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-ubuntu14.tar.gz
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2. Build and install qemu
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$ git clone https://github.com/qemu/qemu
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$ cd qemu
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$ ./configure --target-list=riscv64-softmmu
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$ make
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$ sudo make install
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3. Modify defconfig
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--- a/boards/risc-v/k210/maix-bit/configs/nsh/defconfig
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+++ b/boards/risc-v/k210/maix-bit/configs/nsh/defconfig
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@@ -25,6 +25,7 @@ CONFIG_EXAMPLES_HELLO=y
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CONFIG_FS_PROCFS=y
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CONFIG_IDLETHREAD_STACKSIZE=2048
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CONFIG_INTELHEX_BINARY=y
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+CONFIG_K210_WITH_QEMU=y
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CONFIG_LIBC_PERROR_STDOUT=y
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CONFIG_LIBC_STRERROR=y
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CONFIG_MAX_TASKS=64
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4. Configure and build NuttX
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$ mkdir ./nuttx; cd ./nuttx
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$ git clone https://bitbucket.org/nuttx/nuttx.git
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$ git clone https://bitbucket.org/nuttx/apps.git
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$ cd nuttx
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$ make distclean
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$ ./tools/configure.sh maix-bit:nsh
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$ make V=1
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5. Run the nuttx with qemu
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$ qemu-system-riscv64 -nographic -machine sifive_u -bios ./nuttx
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6. TODO
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Support FPU
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Support RISC-V User mode
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